--- /dev/null
+/*
+ * Copyright © 2008 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "s51.h"
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <poll.h>
+
+static int s51_port = 0;
+static char *cpu = "8051";
+static double freq = 11059200;
+char *s51_prompt = "> ";
+struct ccdbg *s51_dbg;
+int s51_interrupted = 0;
+int s51_monitor = 0;
+
+static FILE *s51_input;
+static FILE *s51_output;
+
+static void
+usage(void)
+{
+ fprintf(stderr, "You're doing it wrong.\n");
+ exit(1);
+}
+
+void s51_sigint()
+{
+ s51_interrupted = 1;
+}
+
+int
+main(int argc, char **argv)
+{
+ int flags, opt;
+ char *endptr;
+ struct sigvec vec, ovec;
+
+ while ((opt = getopt(argc, argv, "PVvHhmt:X:c:r:Z:s:S:p:")) != -1) {
+ switch (opt) {
+ case 't':
+ cpu = optarg;
+ break;
+ case 'X':
+ freq = strtod(optarg, &endptr);
+ if (endptr == optarg)
+ usage();
+ if (endptr[0] != '\0') {
+ if (!strcmp(endptr, "k"))
+ freq *= 1000;
+ else if (!strcmp(endptr, "M") )
+ freq *= 1000000;
+ else
+ usage ();
+ }
+ break;
+ case 'c':
+ break;
+ case 'r':
+ case 'Z':
+ s51_port = strtol(optarg, &endptr, 0);
+ if (endptr == optarg || strlen(endptr) != 0)
+ usage();
+ break;
+ case 's':
+ break;
+ case 'S':
+ break;
+ case 'p':
+ s51_prompt = optarg;
+ break;
+ case 'P':
+ s51_prompt = NULL;
+ break;
+ case 'V':
+ break;
+ case 'v':
+ break;
+ case 'H':
+ exit (0);
+ break;
+ case 'h':
+ usage ();
+ break;
+ case 'm':
+ s51_monitor = 1;
+ break;
+ }
+ }
+ if (s51_port) {
+ int l, r, one = 1;
+ int s;
+ struct sockaddr_in in;
+
+ l = socket(AF_INET, SOCK_STREAM, 0);
+ if (l < 0) {
+ perror ("socket");
+ exit(1);
+ }
+ r = setsockopt(l, SOL_SOCKET, SO_REUSEADDR, &one, sizeof (int));
+ if (r) {
+ perror("setsockopt");
+ exit(1);
+ }
+ in.sin_family = AF_INET;
+ in.sin_port = htons(s51_port);
+ in.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ r = bind(l, (struct sockaddr *) &in, sizeof (in));
+ if (r) {
+ perror("bind");
+ exit(1);
+ }
+ r = listen(l, 5);
+ if (r) {
+ perror("listen");
+ exit(1);
+ }
+ for (;;) {
+ struct sockaddr_in client_addr;
+ socklen_t client_len = sizeof (struct sockaddr_in);
+
+ s = accept(l, (struct sockaddr *)
+ &client_addr, &client_len);
+ if (s < 0) {
+ perror("accept");
+ exit(1);
+ }
+ s51_input = fdopen(s, "r");
+ s51_output = fdopen(s, "w");
+ if (!s51_input || !s51_output) {
+ perror("fdopen");
+ exit(1);
+ }
+ vec.sv_handler = SIG_IGN;
+ vec.sv_mask = 0;
+ vec.sv_flags = 0;
+ sigvec(SIGINT, &vec, &ovec);
+ command_read();
+ sigvec(SIGINT, &ovec, NULL);
+ fclose(s51_input);
+ fclose(s51_output);
+ }
+ } else {
+ s51_input = stdin;
+ s51_output = stdout;
+ vec.sv_handler = s51_sigint;
+ vec.sv_mask = 0;
+ vec.sv_flags = 0;
+ sigvec(SIGINT, &vec, &ovec);
+ command_read();
+ }
+ exit(0);
+}
+
+void
+s51_printf(char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vfprintf(s51_output, format, ap);
+ if (s51_monitor)
+ vfprintf(stdout, format, ap);
+ va_end(ap);
+}
+
+void
+s51_putc(int c)
+{
+ putc(c, s51_output);
+}
+
+#include <readline/readline.h>
+#include <readline/history.h>
+
+int
+s51_read_line(char *line, int len)
+{
+ int ret;
+ if (s51_output == stdout && s51_input == stdin && s51_prompt) {
+ char *r;
+
+ r = readline(s51_prompt);
+ if (r == NULL)
+ return 0;
+ strncpy (line, r, len);
+ line[len-1] = '\0';
+ add_history(r);
+ return 1;
+ } else {
+ if (s51_prompt)
+ s51_printf("%s", s51_prompt);
+ else
+ s51_putc('\0');
+ fflush(s51_output);
+ ret = fgets(line, len, s51_input) != NULL;
+ if (s51_monitor)
+ printf("> %s", line);
+ fflush(stdout);
+ }
+ return ret;
+}
+
+int
+s51_check_input(void)
+{
+ struct pollfd input;
+ int r;
+ int c;
+
+ input.fd = fileno(s51_input);
+ input.events = POLLIN;
+ r = poll(&input, 1, 0);
+ if (r > 0) {
+ char line[256];
+ (void) s51_read_line(line, sizeof (line));
+ return 1;
+ }
+ return 0;
+}
projects / fw / altos / blobdiff